1972 Innocenti J4 vs. 1977 Mazda 121
To start off, 1977 Mazda 121 is newer by 5 year(s). Which means there will be less support and parts availability for 1972 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1972 Innocenti J4 would be higher. At 2,615 cc (2 cylinders), 1977 Mazda 121 is equipped with a bigger engine. In terms of performance, 1977 Mazda 121 (114 HP) has 58 more horse power than 1972 Innocenti J4. (56 HP) In normal driving conditions, 1977 Mazda 121 should accelerate faster than 1972 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1977 Mazda 121 weights approximately 320 kg more than 1972 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 Mazda 121 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1977 Mazda 121. However, in wet, icy, snow, or gravel driving conditions, 1972 Innocenti J4, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1977 Mazda 121 (165 Nm @ 4000 RPM) has 82 more torque (in Nm) than 1972 Innocenti J4. (83 Nm @ 2500 RPM). This means 1977 Mazda 121 will have an easier job in driving up hills or pulling heavy equipment than 1972 Innocenti J4.
Compare all specifications:
| 1972 Innocenti J4 | 1977 Mazda 121 | |
| Make | Innocenti | Mazda |
| Model | J4 | 121 |
| Year Released | 1972 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 2615 cc |
| Engine Cylinders | 4 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 114 HP |
| Torque | 83 Nm | 165 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Vehicle Weight | 880 kg | 1200 kg |
| Vehicle Length | 3720 mm | 4510 mm |
| Vehicle Width | 1540 mm | 1690 mm |
| Vehicle Height | 1380 mm | 1350 mm |
| Wheelbase Size | 2380 mm | 2520 mm |
